Compilare: main.cpp: In function 'void DFS(int, int&)': main.cpp:20:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(i = 0; i < graf[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:15: warning: 'pminci' may be used uninitialized in this function [-Wmaybe-uninitialized] 67 | extra[pminci]++; | ~~~~~~~~~~~~^ main.cpp:63:15: warning: 'pminc1' may be used uninitialized in this function [-Wmaybe-uninitialized] 63 | extra[pminc1]++; | ~~~~~~~~~~~~^